# github.com/mattermost/mattermost-plugin-playbooks (Go) vulnerabilities Source: https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-plugin-playbooks Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-plugin-playbooks.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in github.com/mattermost/mattermost-plugin-playbooks (Go): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-6343, was published on 18 May 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 6 (0 critical, 0 exploited in the wild) ## About github.com/mattermost/mattermost-plugin-playbooks (Go) A Go-based plugin for the Mattermost platform that provides structured processes and incident collaboration tools. ## Latest github.com/mattermost/mattermost-plugin-playbooks (Go) vulnerabilities - [CVE-2026-6343: Mattermost Incorrect Authorization in Playbooks via /get endpoint](https://junglewise.ai/threats/cve-2026-6343-mattermost-incorrect-authorization-in-playbooks-via-get-endpoint) (medium, CVSS 4.3, published 18 May 2026) - [CVE-2026-4286: Mattermost incorrect authorization in Playbook team updates](https://junglewise.ai/threats/cve-2026-4286-mattermost-incorrect-authorization-in-playbook-team-updates) (low, CVSS 3.1, published 18 May 2026) - [CVE-2026-26304: Mattermost fails to verify run_create permission for empty playbookId](https://junglewise.ai/threats/cve-2026-26304-mattermost-fails-to-verify-run-create-permission-for-empty) (low, CVSS 3.1, published 23 Mar 2026) - [CVE-2025-41423: GO-2025-3644 - Mattermost Playbooks fails to properly validate permissions in…](https://junglewise.ai/threats/cve-2025-41423-mattermost-playbooks-fails-to-properly-validate-permissions) (low, CVSS 3.1, published 24 Apr 2025) - [CVE-2025-41395: Mattermost Playbooks fails to properly validate the props used by the RetrospectivePost custom post type](https://junglewise.ai/threats/cve-2025-41395-mattermost-playbooks-fails-to-properly-validate-the-props-used-by) (low, CVSS 3.1, published 24 Apr 2025) - [CVE-2025-35965: Mattermost Playbooks fails to validate the uniqueness and quantity of task actions](https://junglewise.ai/threats/cve-2025-35965-mattermost-playbooks-fails-to-validate-the-uniqueness-and) (low, CVSS 3.1, published 24 Apr 2025) ## Most severe github.com/mattermost/mattermost-plugin-playbooks (Go) vulnerabilities - [CVE-2026-6343: Mattermost Incorrect Authorization in Playbooks via /get endpoint](https://junglewise.ai/threats/cve-2026-6343-mattermost-incorrect-authorization-in-playbooks-via-get-endpoint) (medium, CVSS 4.3, published 18 May 2026) - [CVE-2025-41395: Mattermost Playbooks fails to properly validate the props used by the RetrospectivePost custom post type](https://junglewise.ai/threats/cve-2025-41395-mattermost-playbooks-fails-to-properly-validate-the-props-used-by) (low, CVSS 3.1, published 24 Apr 2025) - [CVE-2025-35965: Mattermost Playbooks fails to validate the uniqueness and quantity of task actions](https://junglewise.ai/threats/cve-2025-35965-mattermost-playbooks-fails-to-validate-the-uniqueness-and) (low, CVSS 3.1, published 24 Apr 2025) - [CVE-2025-41423: GO-2025-3644 - Mattermost Playbooks fails to properly validate permissions in…](https://junglewise.ai/threats/cve-2025-41423-mattermost-playbooks-fails-to-properly-validate-permissions) (low, CVSS 3.1, published 24 Apr 2025) - [CVE-2026-26304: Mattermost fails to verify run_create permission for empty playbookId](https://junglewise.ai/threats/cve-2026-26304-mattermost-fails-to-verify-run-create-permission-for-empty) (low, CVSS 3.1, published 23 Mar 2026) - [CVE-2026-4286: Mattermost incorrect authorization in Playbook team updates](https://junglewise.ai/threats/cve-2026-4286-mattermost-incorrect-authorization-in-playbook-team-updates) (low, CVSS 3.1, published 18 May 2026) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Go technologies - [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities - [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities - [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities - [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities - [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities - [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities - [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities - [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities - [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities - [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities - [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities - [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "github.com/mattermost/mattermost-plugin-playbooks (Go) vulnerabilities", https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-plugin-playbooks, 13 November 2026.